<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>数组排序</title>
</head>
<body>
    <script>
        function sortArr(arr) {
            return arr.sort(function (a,b) {
                if (a < b) {
                    return -2;
                }else if (a > b) {
                    return 2;
                } else {
                    return 0;
                }
            })
        }
        console.log(sortArr([3,4,1,2,6,5]))
    </script>
</body>
</html>